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Author Question: A styrofoam container used as a picnic cooler contains a block of ice at 0C. If 225 grams of ice ... (Read 49 times)

EAugust

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on: Jul 28, 2018
A styrofoam container used as a picnic cooler contains a block of ice at 0C. If 225 grams of ice melts in 1 hour, how much heat energy per second is passing through the walls of the container? (The heat of fusion of ice is 3.33  105 J/kg).

Question 2

How much water at 20C is needed to melt 1 kilogram of solid mercury at its melting point of -39C? (The heat of fusion of mercury is 2.8 cal/gram).


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Madisongo23

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Reply #1 on: Jul 28, 2018
Answer to Question 1

20.8 J (per second)

Answer to Question 2

23.4 grams


EAugust

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Reply #2 on: Jul 28, 2018
Thanks


Madisongo23

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Reply #3 on: Jul 28, 2018
Welcome :)


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